initial

main/Config.cpp

@@ -0,0 +1,63 @@
+#include "Config.hpp"
+
+#include <math.h>
+
+#include "FS.h"
+#include "SPIFFS.h"
+Config config;
+
+void Config::Init() {
+    SPIFFS.begin(true);
+    File f = SPIFFS.open("/config.json", FILE_READ);
+    if (!f) {
+        SetDefaults();
+        return;
+    }
+    DeserializationError err = deserializeJson(conf_json, f);
+    if (err == DeserializationError::Ok) {
+        Load();
+    } else {
+        SetDefaults();
+    }
+    f.close();
+}
+
+void Config::SetDefaults() {
+    Serial.println("Setting default config");
+    // Set default MAC address
+    trackside_mac[0] = 0x34;
+    trackside_mac[1] = 0x85;
+    trackside_mac[2] = 0x18;
+    trackside_mac[3] = 0xa9;
+    trackside_mac[4] = 0x3d;
+    trackside_mac[5] = 0xfc;
+
+    // Set default kart ID
+    kart_id = esp_random();
+
+    // Save the defaults to SPIFFS
+    Save();
+}
+
+void Config::Save() {
+    conf_json.to<JsonObject>();
+    JsonArray arr = conf_json["mac"].to<JsonArray>();
+    for (int i = 0; i < 6; i++) {
+        arr.add<int>(trackside_mac[i]);
+    }
+    conf_json["kart_id"] = kart_id;
+    String out;
+    serializeJson(conf_json, out);
+    File f = SPIFFS.open("/config.json", FILE_WRITE, true);
+    f.print(out);
+    f.close();
+    Serial.printf("Config saved: %s\n", out.c_str());
+}
+
+void Config::Load() {
+    JsonArray arr = conf_json["mac"];
+    for (int i = 0; i < 6; i++) {
+        trackside_mac[i] = arr[i];
+    }
+    kart_id = conf_json["kart_id"];
+}